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2021 Kia Sportage Maintenance Schedule

Manufacturer-recommended service intervals for the Service Reminder and open recall alerts for your 2021 Kia Sportage.

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Recalls2Full scheduleKnown issues6

How Kia schedules service: Service Reminder

Kia uses Hyundai Motor Group's powertrains, so service intervals mirror Hyundai's. Kia Promise covers the first 3 years / 36,000 miles of complimentary maintenance. Kia owners with the Theta II 2.0L/2.4L (Optima, Sorento, Sportage 2011-2019) should adhere strictly to oil intervals due to known oil-consumption issues in Kia TSBs.

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2 Open Recalls

Source: NHTSA

SERVICE BRAKES, HYDRAULIC:ANTILOCK/TRACTION CONTROL/ELECTRONIC LIMITED SLIP:CONTROL UNIT/MODULE

Campaign #21V137000 Β· Apr 3, 2021

Issue: Kia Motors America (Kia) is recalling certain 2017-2021 Sportage and Cadenza vehicles. The electrical circuit in the Hydraulic Electronic Control Unit (HECU) may short-circuit, which can cause a fire in the engine compartment.

Risk: An engine compartment fire can increase the risk of injury.

Fix: Owners are advised to park outside and away from structures as a precaution until the recall repair is complete. Kia will notify owners, and dealers will replace certain fuses in the electrical junction box. Vehicles equipped with an electronic parking brake (EPB) will also receive a HECU software update. Repairs will be performed free of charge. The recall began on April 30, 2021. Owners may contact Kia customer service at 1-800-333-4542. Kia's number for this recall is SC206.

TRAILER HITCHES

Campaign #22V703000 Β· Sep 19, 2022

Issue: Kia America, Inc. (Kia) is recalling certain 2016-2022 Sorento, 2021-2022 Sorento Hybrid (HEV), 2022-2023 Sorento Plug-In Hybrid (PHEV), and 2017-2022 Sportage vehicles equipped with a tow hitch harness installed as original equipment, or purchased as an accessory through a Kia dealership. Debris and moisture accumulation on the tow hitch harness module printed circuit board (PCB) may cause an electrical short, which can result in a fire.

Risk: A fire while parked or driving can increase the risk of injury.

Fix: Owners are advised to park outside and away from structures until the recall repair is complete. Dealers will inspect the vehicle, and, as necessary, replace the fuse and/or tow hitch harness module, free of charge. Owner notification letters were mailed August 11, 2023. Owners may contact Kia customer service at 1-800-333-4542. Kia's number for this recall is SC249.

Recall data refreshed Jul 26, 2026.

Essential maintenance

Critical for safety and preventing major damage

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Engine Oil & Filter

Every 3,750 mi

Severe service: every 3,750 miles. Normal: 7,500 miles. Theta II 2.0L/2.4L on Optima, Sorento, Sportage (2011-2019): full synthetic only, never extend.

Estimated cost β€” typical U.S. ranges

Dealer

~$120–$160

Shop

~$85–$115

DIY

~$25–$55

Full synthetic costs more than conventional. 5-quart 0W-20 + filter is the typical bill.

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Tire Rotation

Every 7,500 mi

Rotate tires every 7,500 miles. Telluride and Sorento AWD owners benefit from rotation every 5,000 miles to prevent uneven wear.

Estimated cost β€” typical U.S. ranges

Dealer

~$85

Shop

~$60

DIY

Free

Often free at the shop where you bought the tires β€” worth asking before paying.

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Brake Inspection

Every 7,500 mi

Inspect brake pads and rotors every 7,500 miles. Forte and Soul front pads typically last 40,000-55,000 miles.

Estimated cost β€” typical U.S. ranges

Dealer

~$85

Shop

~$60

DIY

Free

Most shops do this free as a courtesy with any service. Don't pay separately if you can avoid it.

πŸ§ͺ

Brake Fluid

Every 30,000 mi

Replace DOT 3 brake fluid every 30,000 miles or 24 months. Required for ABS and ESC pump longevity.

Estimated cost β€” typical U.S. ranges

Dealer

~$180–$200

Shop

~$125–$140

DIY

~$10–$25

DOT 3 or 4 β€” match the cap. Vacuum bleeders make this a one-person DIY.

Important maintenance

Keeps your vehicle running smoothly and efficiently

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Engine Air Filter

Every 30,000 mi

Replace engine air filter every 30,000 miles. Severe or dusty conditions: 15,000 miles.

Estimated cost β€” typical U.S. ranges

Dealer

~$60–$95

Shop

~$45–$70

DIY

~$15–$40

5-minute job on most cars; the airbox lid usually has clips, no tools needed.

βš™οΈ

Automatic Transmission Fluid

Every 30,000 mi

Severe service: every 30,000 miles. Normal: 60,000 miles. Use Kia SP-IV β€” same as Hyundai.

Estimated cost β€” typical U.S. ranges

Dealer

~$330–$500

Shop

~$235–$355

DIY

~$60–$180

Some sealed transmissions have no dipstick β€” fill is precise and best left to a shop. Many drivers can still DIY drain-and-fill.

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Spark Plugs

Every 105,000 mi

Iridium-tipped plugs rated 105,000 miles on most Kia engines. 1.6T (Forte GT, Soul Turbo): 60,000 miles. 3.5L Lambda II V6 (Telluride, Sorento): 105,000 miles.

Estimated cost β€” typical U.S. ranges

Dealer

~$285–$390

Shop

~$200–$275

DIY

~$25–$100

Iridium plugs cost more but last 100k+ miles. V6/V8 access varies wildly β€” some are tough.

🌑️

Long-Life Coolant

Every 30,000 mi

Kia Long-Life Coolant (pink, same as Hyundai): first change at 60,000 miles, then every 30,000. Do not mix with green or orange coolant.

Estimated cost β€” typical U.S. ranges

Dealer

~$285–$330

Shop

~$200–$235

DIY

~$25–$60

Use the manufacturer-specified coolant β€” wrong color/chemistry can damage the cooling system.

πŸ”©

Transfer Case / Rear Diff (AWD)

Every 60,000 mi

Sportage AWD, Sorento AWD, Telluride AWD: replace transfer case fluid and rear diff fluid every 60,000 miles.

Estimated cost β€” typical U.S. ranges

Dealer

~$105–$140

Shop

~$75–$100

DIY

~$15–$40

AWD/4WD vehicles only. Easy drain-and-fill on most platforms.

Recommended maintenance

Extends the life of your vehicle and improves comfort

🌬️

Cabin Air Filter

Every 15,000 mi

Replace cabin air filter every 15,000 miles. Located behind the glove box on Optima, Forte, and Sportage; behind the dashboard panel on Telluride.

Estimated cost β€” typical U.S. ranges

Dealer

~$60–$95

Shop

~$45–$70

DIY

~$15–$40

Usually behind the glovebox. Shops charge labor for a 10-minute job β€” easy DIY win.

Known issues for this vehicle

What drivers and federal regulators have officially reported about the 2021 Kia Sportage.

πŸ”Ž

1 active NHTSA investigation

Source: NHTSA
  • Hyundai and Kia ABS Module Fires

    Action #AQ23002 Β· opened Nov 17, 2023

    The Office of Defects Investigation (ODI) has received eight Hyundai Motor America (Hyundai) and eight Kia America, Inc. (Kia) Part 573 Recall Reports between 2016 and 2023. The combined 16 safety recalls all involve the antilock braking system (ABS) modules or Hydraulic Electron…

    View on NHTSA β†’

Reported to NHTSA

Excessive engine oil consumption

ENGINE

8 NHTSA complaints Β· 2022-12 β†’ 2026-05

β€œLoosing oil constantly. Always on the low end. I am having to keep oil in my car to put in it when needed which is often.”
β€” Owner report, NHTSA ODI #11736064
β€œI have experienced chronic and excessive engine oil consumption in my 2021 Kia Sportage S with the 2.4 L Theta II engine. Since around 80,000 miles, I have had to add oil every 2 weeks between oil changes to prevent the engine from running low. My vehicle now requires a…”
β€” Owner report, NHTSA ODI #11697338
β€œMy car is burning oil like crazy. I've had to put 2 quarts in one week. Took it to dealership because of warranty. They ran an oil consumption test and told me pistons may be bad drive it another 1000 miles then we check it again. Why not fix problems then.”
β€” Owner report, NHTSA ODI #11671641
β€œThe contact owns a 2021 Kia Sportage. The vehicle was taken to an independent mechanic for an oil change, and the contact was advised that the oil level was low. The contact stated there was no warning illuminated with the oil level being low.”
β€” Owner report, NHTSA ODI #11679132

Read all complaints on NHTSA β†’

Engine failure and loss of motive power

ENGINE

11 NHTSA complaints Β· 2023-03 β†’ 2026-05

β€œThe engine in my 2021 Kia Sportage failed while being driven at highway speeds on US 131 in Michigan. The car was taken to the closest gas station where the oil was checked and it was determined that 5 quarts were needed to reach the dipstick's full line…”
β€” Owner report, NHTSA ODI #11732697
β€œOn March 4, 2026, the engine in my 2021 Kia Sportage malfunctioned while I was driving on a local road on Long Island, NY. The check engine light illuminated, the vehicle lost the ability to accelerate normally, and the steering wheel became heavy and difficult to turn at the…”
β€” Owner report, NHTSA ODI #11732236
β€œI had catastrophic engine failure driving down the road to work. Check engine light started flashing the the oil light. The car then shut off. Got it towed and they found two pieces of the engine block in the cradle cover.”
β€” Owner report, NHTSA ODI #11662565
β€œKia Sportage 2021- The service department at the dealership ran basic inspection of fault codes and found fault in system for knock sensor and camshaft b position sensor. These codes have relation to engine failure or possible timing chain failure…”
β€” Owner report, NHTSA ODI #11635069

Read all complaints on NHTSA β†’

Vehicle fire and smoke from engine compartment

ENGINE

7 NHTSA complaints Β· 2021-07 β†’ 2026-04

β€œCatastrophic fire started in fast food restaurant drive through, but able to drive to the parking lot before it became engulfed in flames.”
β€” Owner report, NHTSA ODI #11729339
β€œThe contact owns a 2021 Kia Sportage. The contact stated that her mother was driving at an undisclosed speed on the freeway and had stopped on the shoulder of the road to access the navigation system. The contact stated that after the driver shifted to park(P), the driver…”
β€” Owner report, NHTSA ODI #11690967
β€œThe contact owned a 2021 Kia Sportage. The contact stated that upon pulling into a parking space on the third floor of a parking garage at her workplace, she smelled a strong burning odor. The contact also noticed smoke coming from underneath the driver's side of the hood…”
β€” Owner report, NHTSA ODI #11448187
β€œ2021 KIA SPORTAGE WITH 4300 MILES CAUGHT ON FIRE PUTTING ME AND 10 YEAR OLD DAUGHTER IN DANGER . BOught car brand new only had one oil change at kia dealership,no warning lights. CAR WAS TOTAL LOSSINPECTED BY INSURANCE COMPANY…”
β€” Owner report, NHTSA ODI #11425260

Read all complaints on NHTSA β†’

Vehicle theft and anti-theft security

UNKNOWN OR OTHER

4 NHTSA complaints Β· 2021-11 β†’ 2024-04

β€œMy Kia can be easily broken into and stolen. In January of this year I was in Denver for military assignment and I locked my car at night however a their was able to break into my car by popping off the driver side lock and then basically hot wiring the car…”
β€” Owner report, NHTSA ODI #11477673
β€œThe car was stolen and no safety/security features were deployed. In doing research, Kias are being stolen on a daily basis in my city and this was not communicated to me by the dealer when I bought the vehicle 6 months ago. These cars should not be allowed to be sold without…”
β€” Owner report, NHTSA ODI #11452231
β€œOn 01/04/2021 my son [XXX] purchased New 2021 Kia Sportage LX. On 10/15/2021 this car was stolen In West Allis Wisconsin parked in front of his work place. On 10/21/2021 police found the car abended on the north side of Milwaukee with substantial damage…”
β€” Owner report, NHTSA ODI #11440172

Read all complaints on NHTSA β†’

Panoramic sunroof glass breakage

VISIBILITY

2 NHTSA complaints Β· 2023-01 β†’ 2023-04

β€œThe panoramic sunroof spontaneously exploded on the highway. There were no other vehicles nearby that could have thrown any debris at my vehicle. The edges of the glass are pushed out as if the force came from inside the vehicle.”
β€” Owner report, NHTSA ODI #11517562
β€œWhile sitting in my driveway I heard a loud sound popping within the car but did not investigate immediately. I drove down the road and noticed that the car seemed to be noisy and there was a rattling sound within the headliner. I stopped to investigate and realized that the…”
β€” Owner report, NHTSA ODI #11503924

Read all complaints on NHTSA β†’

Trailer hitch recall repair availability

TRAILER HITCHES

2 NHTSA complaints Β· 2023-05 β†’ 2024-01

β€œThe contact owns a 2021 Kia Sportage. The contact received notification of NHTSA Campaign Number: 20V703000 (Trailer Hitches) however, the part to do the recall repair was not yet available. The contact stated that the manufacturer had exceeded a reasonable amount of time for…”
β€” Owner report, NHTSA ODI #11567595
β€œThe contact owns a 2021 Kia Sportage. The contact received notification of NHTSA Campaign Number: 22V703000 (Trailer Hitches) however, the part to do the recall repair was not yet available. The contact stated that the manufacturer had exceeded a reasonable amount of time for…”
β€” Owner report, NHTSA ODI #11520948

Read all complaints on NHTSA β†’

Note: NHTSA also opened 1 defect investigation(s) on this vehicle that closed without action.

Issues on other model years

  • 2018 Kia Sportage β†’
  • 2019 Kia Sportage β†’
  • 2020 Kia Sportage β†’
  • 2022 Kia Sportage β†’
  • 2023 Kia Sportage β†’
  • 2024 Kia Sportage β†’

Source: NHTSA Office of Defects Investigation (ODI). Complaint data refreshed Jul 27, 2026. Investigation data refreshed Jul 27, 2026.

We display NHTSA's record with attribution; we don't editorialize on what these complaints mean for any specific vehicle.

Typical U.S. ranges. Actual quotes vary by shop, parts choice, and vehicle condition.

How we estimate: Dealer = OEM parts Γ— 1.4 + labor Γ— $165/hr. Shop = parts + labor Γ— $115/hr. DIY = parts only.

This maintenance schedule for the 2021 Kia Sportage reflects Kia's published service intervals and the Service Reminder system. Your actual service needs may vary based on driving conditions, climate, and vehicle usage. Always consult your owner's manual for model-specific recommendations.

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